139336844 has 12 divisors (see below), whose sum is σ = 244398000. Its totient is φ = 69508848.

The previous prime is 139336843. The next prime is 139336853. The reversal of 139336844 is 448633931.

It is not an unprimeable number, because it can be changed into a prime (139336843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37919 + ... + 41430.

It is an arithmetic number, because the mean of its divisors is an integer number (20366500).

Almost surely, 2^139336844 is an apocalyptic number.

It is an amenable number.

139336844 is a deficient number, since it is larger than the sum of its proper divisors (105061156).

139336844 is a wasteful number, since it uses less digits than its factorization.

139336844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79792 (or 79790 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 139336844 is about 11804.1028460447. The cubic root of 139336844 is about 518.4282471002.

The spelling of 139336844 in words is "one hundred thirty-nine million, three hundred thirty-six thousand, eight hundred forty-four".